/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.dmn.engine.impl.hitpolicy;

import java.util.Arrays;
import java.util.Comparator;
import java.util.List;

/**
 * @author Yvo Swillens
 */
public class OutputOrderComparator<T extends Comparable<T>> implements Comparator<T> {

    protected List<T> predefinedOrder;

    public OutputOrderComparator(T[] outputOrder) {
        this.predefinedOrder = Arrays.asList(outputOrder);
    }

    @Override
    public int compare(T o1, T o2) {
        return predefinedOrder.indexOf(o1) - predefinedOrder.indexOf(o2);
    }
}
